Home / 317,664.32-438,387.12-183,528.32

Finding the Fourth Proportional to 317,664.32, 438,387.12 and 183,528.32

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Solution

The fourth proportional to 317,664.32, 438,387.12 and 183,528.32 is: 253,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,664.32 : 438,387.12 = 183,528.32 : x
  2. Step 2: Convert to fraction form
    317,664.32/438,387.12 = 183,528.32/x
  3. Step 3: Cross multiply
    317,664.32x = 438,387.12 × 183,528.32
  4. Step 4: Simplify right side
    317,664.32x = 80,456,451,643.24
  5. Step 5: Solve for x
    x = 80,456,451,643.24/317,664.32
  6. Step 6: Final answer
    x = 253,275.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.